Hryhoriev, S., D. Bikulov, V. Skachkov, O. Berezhnaya, and O. Oliynyk. “Intensification of the Process of Metallizing tungsten­containing Ore Raw Materials by the Powder Metallurgy Method”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 12 (100), Aug. 2019, pp. 31-36, doi:10.15587/1729-4061.2019.176628.